vendor/assets/stylesheets/spectre/mixins/_button.scss in spectre_scss-0.5.0.0 vs vendor/assets/stylesheets/spectre/mixins/_button.scss in spectre_scss-0.5.1.0

@@ -17,10 +17,13 @@
     background: darken($color, 7%);
     border-color: darken($color, 10%);
     color: $light-color;
   }
   &.loading {
-    @extend .btn-primary.loading;
+    &::after {
+      border-bottom-color: $light-color;
+      border-left-color: $light-color;
+    }
   }
 }
 
 @mixin button-outline-variant($color: $primary-color) {
   background: $light-color;